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Contract OI history

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Dec 18, 2026 EXPIRATION

WDC $390.00 Call

WDC261218C00390000

Latest saved OI1,835Oct 23, 2026
Last change-15vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $390.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 6,6253,3120 2026-10-09: 114 OI2026-10-12: 2,120 OI2026-10-14: 6,625 OI2026-10-15: 6,622 OI2026-10-16: 2,669 OI2026-10-21: 1,850 OI2026-10-23: 1,835 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

WDC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,835-15
Oct 21, 20261,850-819
Oct 16, 20262,669-3,953
Oct 15, 20266,622-3
Oct 14, 20266,625+4,505
Oct 12, 20262,120+2,006
Oct 09, 2026114No prior observation